EP0911475B1 - Penetration-resistant wall element, closure as well as tubular key safe - Google Patents

Penetration-resistant wall element, closure as well as tubular key safe Download PDF

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Publication number
EP0911475B1
EP0911475B1 EP98811038A EP98811038A EP0911475B1 EP 0911475 B1 EP0911475 B1 EP 0911475B1 EP 98811038 A EP98811038 A EP 98811038A EP 98811038 A EP98811038 A EP 98811038A EP 0911475 B1 EP0911475 B1 EP 0911475B1
Authority
EP
European Patent Office
Prior art keywords
locking
unlocking
key safe
key
closure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98811038A
Other languages
German (de)
French (fr)
Other versions
EP0911475A1 (en
Inventor
Fabio Sovrano
Reto Helbling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Helbling & Co AG
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Helbling & Co AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Helbling & Co AG filed Critical Helbling & Co AG
Priority to EP03001085A priority Critical patent/EP1304443A3/en
Publication of EP0911475A1 publication Critical patent/EP0911475A1/en
Application granted granted Critical
Publication of EP0911475B1 publication Critical patent/EP0911475B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • E05B19/0005Key safes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05GSAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
    • E05G1/00Safes or strong-rooms for valuables
    • E05G1/02Details
    • E05G1/024Wall or panel structure
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40Mounting location; Visibility of the elements
    • E05Y2600/41Concealed
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40Mounting location; Visibility of the elements
    • E05Y2600/452Mounting location; Visibility of the elements in or on the floor or wall

Definitions

  • the invention relates to a breakthrough-proof wall element for burglar-proof rooms and containers such as B. safes, Lockers or key boxes like the one in External building walls embedded and glued to the same, used for emergencies like the outbreak of a Fire or a chemical accident building key like this to keep them for authorized persons, e.g. B. fire or Chemical weir, accessible in any case, but for unauthorized persons are inaccessible.
  • An additional aspect of the invention relates to a lock for burglar-proof rooms and Container as mentioned above and another aspect the Training a key box.
  • Breakthrough-proof wall elements that consist of one layer or several layers of metal, especially stainless steel exist, are generally known. Such wall elements have the disadvantage that they are exposed to a Cutting wheel relatively little resistance oppose. Security against such an attack can only ensure a high wall thickness, which however depends on Dimension, weight and cost of the wall element unfavorable effect.
  • US-H-1'061 is a generic Known wall element, the successive flat layers made of stainless steel and plastic, in particular Has polymethyl methacrylate or polycarbonate. The Plastic layers should primarily attack Complicate burners. However, such change elements point not particularly high resistance to attacks with Cutting discs.
  • the primary object of the invention is to specify a generic wall element, the moderate Wall thickness and relatively light weight and low cost high resistance to attack with a cutting disc. This task is accomplished by the features in the characterizing part of claim 1 solved.
  • the invention is based on the object Closures according to the preamble of claim 9 for to improve burglar-proof rooms and containers in such a way that attacks with cutting discs are much more difficult.
  • This task is characterized by the characteristics in the Part of claim 9 solved.
  • the wall element according to the invention comprises a continuous one Outer layer 1 made of metal, preferably stainless Steel, which spread regularly over its inner surface has square elevations 2, the side length of z. B. Is 2 cm.
  • One also follows the outer layer 1 continuous soft layer 3, which at least partially an organic material.
  • the outside surface of the Soft layer 3 lies on the inner surface of the outer layer 1 essentially without gaps and particularly points Wells that receive the surveys 2.
  • To the Soft layer 3 in turn immediately closes one Metal layer 4, which again preferably made of stainless Steel exists and in several places, for example through Bolts and nuts, with the outer layer 1 through the soft layer 3 can be connected through.
  • the Layers can also be glued or applied continuously be connected in another way.
  • the soft layer 3 forms an insert made of soft material, who along with the outer layer 1 attacks with Cutting discs largely ineffective. At the Cutting through the outer layer 1 heats up Cutting disc so far that it penetrates into the Soft layer 3 brings the material of the same to melt. The melt covers the cutting disc with a smooth one Layer, in particular the bumps in the surface fills the cutting disc and makes it ineffective.
  • Delrin polyoxymethylene
  • Ultramid B polyamide
  • the outer layer 1 must be so strong that it is a ensures sufficient heating of the cutting disc.
  • the Roughness of their inner surface makes it difficult or is not possible at all, the outer layer 1 completely to cut without penetrating the soft layer 3 and thus the effect of the soft layer 3 explained above trigger.
  • the bumps should be from one Order of magnitude of no more than a few centimeters, e.g. B. about 5 cm or preferably 2 cm, d. H. level Patches should not be at least in one direction be much larger so that it is not possible cut larger pieces out of the outer layer, the then the use of other mechanical tools against the Soft layer, etc. would allow.
  • the depth of the Bumps are preferably a few millimeters.
  • the thickness of the soft layer 3 is preferably at least 8 mm.
  • the inside of the outer wall 1 be irregularly structured or be wavy or else have a group of parallel webs or ribs which in regular intervals, preferably again a few Centimeters, e.g. B. about 2 cm, successive or two or more such groups crossing each other.
  • a continuous soft layer can also be used Soft material is used that is not continuous, e.g. B. strips or stains is attached, although of course to choose the distribution so that a cut out of a Part of the wall element with a cutting disc without contact the soft layer is difficult or impossible.
  • Inserts of the described type can also in moving parts of a Wall elements such as bars and. a. be provided.
  • a wall element according to the invention can advantageous as a movable closure part of a Closure for a burglar-proof room or container, z. B. can be used as a door of a safe.
  • a corresponding container is one Key box, as related below 2a, b, 3a-c, 4a-c is described in detail.
  • the cylindrical housing of the key box has (Fig. 2a) a circumferential side wall 5 and is through on one side a fixed rear wall 6 completed.
  • Concentric to Side wall 5 is a key tube 7 within the housing arranged with a rear end to the rear wall 6 bumps while it's open at the front. Is in this area the side wall 5 with the key tube 7 through a annular rosette 8 connected. They form a frame that surrounds the circular opening of the key box.
  • the opening is closed by a round closure part 9, the outer layer of an annular closure plate 10 made of stainless steel with an outer circumferential, after internally directed apron 11 is formed, which one to the Closing plate 10 connecting annular insert 12th surrounds and anchored to an annular bracket 13 which connects to the back of the insert 12 and holding him.
  • the insert 12 is about 2 cm wide and forms a soft layer as detailed above has been described, the bracket 13 is made of steel.
  • Behind a central opening in the closing plate 10 a lock cylinder 14 is used, which of the Closure plate 10 is held and with a front Shoulder to the edge area surrounding the opening the same.
  • the lock cylinder 14 has one Key opening for the engagement of a rifle key 15 on.
  • the key tube 7 encloses one Interior to hold a building key 16. It can Of course, other items can also be accommodated there.
  • a holding ring 17 connects to the holder 13, which consists of three sectors 18a, b, c (see FIGS. 3a-c, 4a-c), which connect with each other at a distance.
  • the holder 13 which consists of three sectors 18a, b, c (see FIGS. 3a-c, 4a-c), which connect with each other at a distance.
  • Sectors 18a, b, c have one over its angular range solid outer part 19 and one over a externally arranged shell 20 connected to the same Inner part 21, which has a central recess 22.
  • the recesses 22 allow the insertion of one Locking bolt 23, which is connected to the inner end of the Lock cylinder 14 is screwed.
  • the Locking bolt 23 also has three radially outwards protruding locking cams 25a, b, c, which in the Locking position (Fig. 3a-c) with the stop bolt 24a, b, c are coincident so that they unite Form a stop that removes the closure part 9 prevented.
  • the lock bolt 23 is used for unlocking into the unlocking position by means of the locking cylinder (Fig. 4a-c) rotated (see arrows in Fig. 3b, c), in which the Locking cams 25a, b, c from the stop bolts 24a, b, c are free and the closure part 9 is pulled outwards and the key box can be opened.
  • a securing part provided with a subsequent to a bore 26 in the Inner part 21 of the sector 18a of the retaining ring 17 parallel to Lock cylinder 14 projecting inwards and through a removable cap 27 closed sleeve 28, in which as Blocking part a pin 29 is slidably mounted. He stands by a coil spring 30 supported on the cap 27 under an outward bias so that it in the locking position through the bore 26 and one short circumferentially extending slot 31 in Locking cam 25a protrudes.
  • the locking bolt 23 in the unlocked position is connected to the same and secured by the same nut at the inner end of the Lock cylinder 14 as an unlocking part approximately Circle sector-shaped cam 32 attached, with a Edge strip, which one interacting with the pin 29 Attack surface 33 forms. It reaches through a side Opening in the sleeve 28 with an outwardly facing Release lock 34 on the same one.
  • the Unlocking stop 34 of the pin 29 is the Unlocking stop 34 of the pin 29 with a outside part of the contact surface 33 in contact, see above that under the action of the coil spring 30 by the Bore 26 in the inner part 21 of the sector 18a and the slot 31 protrudes in the locking cam 25a of the locking bolt 23.
  • the rotatability of the locking bolt 23 is in this Position of the pin 29 on a small angular range limited, which is determined by the length of the slot 31 and a release of the locking cams 25a, b, c of does not allow the stop pin 24a, b, c, so that Locking part 9 is not unlockable.
  • a circular lid 35 made of stainless steel in front of the Closure plate 10 attached the same completely covers.
  • the cover 35 has a completely flat, smooth outer surface while its peripheral edge is partially beveled. It is suspended, and by means of a in the rosette 8 at the bottom of the Housing rotatably mounted bolt 36, which to the axis of the housing forms a parallel pivot axis of the cover 35.
  • a leg spring 37 exerts a torque on the same, which moves it from the closed position by 180 ° to one in Fig. 2b position shown in dashed lines tries to turn in which he completely releases the closure plate 10.
  • the Torque can instead be as described by the Leg spring 37 or additionally by the action gravity on the lid 35 are generated by the Bolt 36 slightly asymmetrical, d. H. against the vertical and axial plane of symmetry of the cover 35 laterally offset is arranged.
  • a pivoting of the lid 35 from the However, closed position by a locking device 38 prevents which at the top of the housing between the side wall 5 of the same and the key tube 7 is arranged.
  • It includes a locking pin 39 which is slidable perpendicular to the cover 35 in the rosette 8 stored and by a compression spring 40 with one against the Cover 35 acting force is applied. He's going in like this the locking position shown in Fig. 2a held in which he in a recess 41 on the Engages inside of the lid 35 so that the same is held immovable in the closed position.
  • the opposite end of the locking pin 39 protrudes inside an electromagnet 42 and is from it Surrounded winding. Via an electrical line 43, via which the key box z. B. to an alarm center is connected, the electromagnet 42 can be actuated become.
  • a strong permanent magnet 44th At the end directed against the cover 35 carries the Locking pin 39 a strong permanent magnet 44th
  • the cover 35 must first be unlocked. This happens through an electrical signal, a surge of electricity, who reaches the key box via line 43 and the solenoid 42 which activates the locking pin 39, the rear portion of which is anchored in that of its Winding surrounding interior of the electromagnet 42 protrudes withdraws the locking position.
  • the lid 35 will then by the leg spring 37 and the action of Gravity dashed through 180 ° in Fig. 2b position shown rotates and gives the front of the Cap 9 free. Now the rifle key 15 inserted into the key opening of the lock cylinder 14 and the cover 9 is unlocked and removed, whereupon the building key 16 can be removed.
  • the Key box e.g. B. for inspection purposes, even without Triggering an alarm and without a corresponding signal to the Electromagnet 42 can be opened.
  • a suitable Tool possible namely a strong permanent magnet, the one on the inside where the Recess 41 is arranged with that of Permanent magnets 44 opposite, i.e. H. the same repelling polarity against the outside of the cover 35 is pressed so that by the interaction of the Permanent magnet of the locking pin 39 from the Locked position pushed back and the cover 35 out the closed position is pivoted.
  • the same can be in the from the key tube 7 surrounded interior and then the Sealing plate 9 placed and by means of Bush key 15 secured by the lock cylinder 14 become. Finally, the lid 35 in the Pivoted closed position, so the locking pin 39 automatically by the compression spring 40 in the Bring locked position and the lid 35 locked.
  • Unlocking of the cover is also provided, if provided through direct external influence on the same enable, so are next to the described magnetic other ways are possible. It is always crucial that the Cover that easily and in the event of an alarm by authorized personnel must be unlockable quickly, otherwise neither without opened further, i.e. without the use of special tools can still be manipulated in such a way that it can also be manipulated with the tools provided or not immediately is open. This can also be achieved by using a Unlocking with mechanical, e.g. B. pneumatic Tools is made possible. It can be a big one require mechanical force without a special tool cannot be applied.
  • the method described, at which is a strong permanent magnet as a special tool for Unlocking has the particular advantage that there are no openings in the housing of the key box requires and in particular the unity of the front in does not need to be affected in any way.
  • a lid secured according to the invention also offers conventionally trained Key boxes provide effective vandal protection. With a Key box, in which all aspects of the Invention used will be a comprehensive one Security improvement achieved.

Abstract

The internal surface (2) of an outer layer (1) of the barrier element has raised areas or ribs creating undulations with a depth of about 2 cm. The soft layer (3) runs parallel to the outer layer and is covered at the back by a metal layer (4). Independent claims are made for: a) a lock for a burglar proof chamber or container with a moving locking part; b) a secure key retainer, especially for holding an emergency key for a building. Preferred Features: The barrier element forms a lock cover and has an opening for a rotating locking cylinder with an inner end connected to a locking bolt and a cam. Cylinder rotation rotates the locking bolt and cam which raises a blocking pin into the unlocking position. Protection against drilling of the lock is effected by the cam falling and preventing locking bolt movement. A key retainer has a housing whose inner chamber is accessible by an opening closed by the lock. An insert of the locking part forms a ring around the locking cylinder. The disc-shaped locking bolt has locking pegs acting in conjunction with stop bolts. A swiveling anti-vandal cover is located in front of the barrier element and is locked or released by a locking system with a spring-loaded pin. Unlocking of the pin can be effected either by a remote signal controlling an electromagnet or by a magnet acting on a permanent magnet at the tip of the pin.

Description

Technisches GebietTechnical field

Die Erfindung betrifft ein durchbruchsicheres Wandelement für einbruchsichere Räume und Behälter wie z. B. Tresore, Schliessfächer oder auch Schlüsselbüchsen, wie sie, in Gebäudeaussenmauern eingelassen und mit denselben verklebt, dazu verwendet werden, für Notfälle wie den Ausbruch eines Brandes oder einen Chemieunfall Gebäudeschlüssel so aufzubewahren, dass sie für Befugte, z. B. Feuer- oder Chemiewehr, in jedem Fall zugänglich, für Unbefugte aber unzugänglich sind. Ein zusätzlicher Aspekt der Erfindung betrifft einen Verschluss für einbruchsichere Räume und Behälter wie oben erwähnt und ein weiterer Aspekt die Ausbildung einer Schlüsselbüchse.The invention relates to a breakthrough-proof wall element for burglar-proof rooms and containers such as B. safes, Lockers or key boxes like the one in External building walls embedded and glued to the same, used for emergencies like the outbreak of a Fire or a chemical accident building key like this to keep them for authorized persons, e.g. B. fire or Chemical weir, accessible in any case, but for unauthorized persons are inaccessible. An additional aspect of the invention relates to a lock for burglar-proof rooms and Container as mentioned above and another aspect the Training a key box.

Stand der TechnikState of the art

Durchbruchsichere Wandelemente, die aus einer Schicht oder mehreren Schichten aus Metall, insbesondere rostfreiem Stahl bestehen, sind allgemein bekannt. Derartige Wandelemente haben den Nachteil, dass sie der Einwirkung einer Trennscheibe verhältnismässig wenig Widerstand entgegensetzen. Sicherheit gegen einen solchen Angriff kann nur eine hohe Wandstärke gewährleisten, was sich jedoch auf Abmessung, Gewicht und Kosten des Wandelements ungünstig auswirkt. Aus der US-H-1'061 ist ein gattungsgemässes Wandelement bekannt, das aufeinanderfolgende ebene Schichten aus rostfreiem Stahl und Kunststoff, insbesondere Polymethyl-Methacrylat oder Polykarbonat aufweist. Die Kunststoffschichten sollen dabei vor allem Angriffe mit Brennern erschweren. Derartige Wandelelemente weisen jedoch keine besonders hohe Widerstandsfähigkeit gegen Angriffe mit Trennscheiben auf. Aus der DE-C-32 41 526 ist es bekannt, zwischen einer Innenwand und einer Aussenwand eines Tresor, die beide aus Stahl bestehen, eine Füllung anzuordnen, die aus einer zäh-elastischen Verbindungsmasse aus Gummi, Thermoplasten oder Polyurethan und in derselben eingebetteten Hartstücken aus Aluminium- oder Zirkonoxid besteht. Ein Angriff wird vor allem durch die Rauchentwicklung der verbrennenden Verbindungsmasse erschwert. Auch eine derartige Wand bietet jedoch keine befriedigende Sicherheit gegen einen Angriff mit einer Trennscheibe.Breakthrough-proof wall elements that consist of one layer or several layers of metal, especially stainless steel exist, are generally known. Such wall elements have the disadvantage that they are exposed to a Cutting wheel relatively little resistance oppose. Security against such an attack can only ensure a high wall thickness, which however depends on Dimension, weight and cost of the wall element unfavorable effect. From US-H-1'061 is a generic Known wall element, the successive flat layers made of stainless steel and plastic, in particular Has polymethyl methacrylate or polycarbonate. The Plastic layers should primarily attack Complicate burners. However, such change elements point not particularly high resistance to attacks with Cutting discs. From DE-C-32 41 526 it is known between an inner wall and an outer wall of a safe, both of which are made of steel to arrange a filling which from a tough-elastic rubber compound, Thermoplastics or polyurethane and in the same embedded hard pieces made of aluminum or zirconium oxide consists. An attack is mainly caused by the Development of smoke in the burning compound difficult. However, such a wall does not offer either satisfactory security against an attack with a Cutting disc.

Bei einbruchsicheren Räumen und Behältern ist ausserdem der Verschluss - Türe, Deckel o. dgl. - eine bekannte Schwachstelle. Auch hier ist die Widerstandsfähigkeit gegen Trennscheibenangriffe oft ungenügend.In the case of burglar-proof rooms and containers, the Lock - door, lid or the like - a well-known Weak spot. Resistance to Cutting disc attacks are often insufficient.

Dies gilt insbesondere für Schlüsselbüchsen, wie z. B. einem Prospekt 'Zugangssystem' der Firma Helbling & Co. AG Feuerwehrtechnik, CH-8645 Jona eine entnehmbar ist.This applies in particular to key boxes, such as. B. one Brochure 'Access system' from Helbling & Co. AG Feuerwehrtechnik, CH-8645 Jona a can be removed.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt in erster Linie die Aufgabe zu Grunde, ein gattungsgemässes Wandelement anzugeben, das bei mässiger Wandstärke und verhältnismässig geringem Gewicht und geringen Kosten ein hohes Widerstandsvermögen gegen Angriffe mit einer Trennscheibe aufweist. Diese Aufgabe wird durch die Merkmale im kennzeichnenden Teil des Anspruchs 1 gelöst.The primary object of the invention is to specify a generic wall element, the moderate Wall thickness and relatively light weight and low cost high resistance to attack with a cutting disc. This task is accomplished by the features in the characterizing part of claim 1 solved.

Die durch die Erfindung erzielten Vorteile sind darin zu sehen, dass beim Versuch, die Aussenschicht des Wandelements mit einer Trennscheibe zu durchschneiden, diese zwangsläufig in die Weichschicht eindringt und dadurch praktisch unwirksam gemacht wird. Ein weiteres Vordringen wird dadurch unterbunden. Diese Wirkung tritt bereits bei Aussenschichten von verhältnismässig geringer Stärke ein, so dass auch die gesamte Wandstärke gering gehalten werden kann. Tresore o. dgl. mit erfindungsgemässen Wandelementen können daher bei gleichem Platzangebot wesentlich geringere Aussenabmessungen aufweisen und sind auch wesentlich leichter. Die Herstellungskosten liegen wegen der Materialersparnis wesentlich unter denen bekannter gattungsgemässer Wandelemente mit vergleichbaren Eigenschaften. Erfindungsgemässe Wandelemente eignen sich auch sehr gut für bewegliche Verschlussteile von Verschlüssen für einbruchsichere Räume und Behälter, wo Angriffe mit Trennscheiben und anderen Werkzeugen meist ansetzen.The advantages achieved by the invention are therein too see that when trying to get the outer layer of the wall element to cut with a cutting disc, this inevitably penetrates into the soft layer and is therefore practical is rendered ineffective. This will further advance prevented. This effect already occurs with outer layers of relatively low strength, so that the overall wall thickness can be kept low. safes o. Like. With wall elements according to the invention can therefore much less with the same amount of space Have external dimensions and are also essential lighter. The manufacturing costs are because of Material savings significantly among those known generic wall elements with comparable Characteristics. Wall elements according to the invention are suitable also very good for movable fasteners from Locks for burglar-proof rooms and containers where Attacks with cutting discs and other tools mostly begin.

Insbesondere liegt der Erfindung die Aufgabe zugrunde, Verschlüsse gemäss dem Oberbegriff des Anspruchs 9 für einbruchsichere Räume und Behälter derart zu verbessern, dass Angriffe mit Trennscheiben wesentlich erschwert sind. Diese Aufgabe wird durch die Merkmale im kennzeichnenden Teil des Anspruchs 9 gelöst.In particular, the invention is based on the object Closures according to the preamble of claim 9 for to improve burglar-proof rooms and containers in such a way that attacks with cutting discs are much more difficult. This task is characterized by the characteristics in the Part of claim 9 solved.

Im weiteren soll durch die Erfindung eine Schlüsselbüchse gemäss dem Oberbegriff des Anspruchs 17 angegeben werden, dass sie nur schwer durch einen Trennscheibenangriff aufgebrochen werden kann. Diese Aufgabe wird durch die Merkmale im Kennzeichen des Anspruchs 17 gelöst.Furthermore, a key box is intended by the invention according to the preamble of claim 17, that they are difficult from a cutting disc attack can be broken open. This task is accomplished by the Features solved in the characterizing part of claim 17.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im folgenden wird die Erfindung anhand von Figuren, welche lediglich ein Ausführungsbeispiel darstellen, näher erläutert. Es zeigen

Fig. 1a
eine Draufsicht auf ein erfindungsgemässes Wandelement,
Fig. 1b
einen Schnitt durch das erfindungsgemässe Wandelement längs B-B in Fig. 1a,
Fig. 2a
einen Längsschnitt durch eine erfindungsgemässe Schlüsselbüchse mit einem erfindungsgemässen Verschluss in der Verriegelungsstellung, längs A-A in Fig. 2b,
Fig. 2b
eine Vorderansicht der erfindungsgemässen Schlüsselbüchse gemäss Fig. 2a,
Fig. 3a
einen Längsschnitt durch einen inneren Teil des erfindungsgemässen Verschlusses der erfindungsgemässen Schlüsselbüchse gemäss Fig. 2a,b in der Verriegelungsstellung, entsprechend A-A in Fig.3b,
Fig. 3b
eine Draufsicht auf die Innenseite des erfindungsgemässen Verschlusses in der Verriegelungsstellung,
Fig. 3c
einen Querschnitt durch den inneren Teil des erfindungsgemässen Verschlusses in der Verriegelungsstellung, längs C-C in Fig. 3a,
Fig. 4a
einen Längsschnitt durch einen inneren Teil des erfindungsgemässen Verschlusses der erfindungsgemässen Schlüsselbüchse gemäss Fig. 2a,b in der Entriegelungsstellung, entsprechend A-A in Fig.4b,
Fig. 4b
eine Draufsicht auf die Innenseite des erfindungsgemässen Verschlusses in der Entriegelungsstellung und
Fig. 4c
einen Querschnitt durch den inneren Teil des erfindungsgemässen Verschlusses in der Verriegelungsstellung, längs C-C in Fig. 4a,
In the following, the invention is explained in more detail with reference to figures, which only represent an exemplary embodiment. Show it
Fig. 1a
a plan view of a wall element according to the invention,
Fig. 1b
2 shows a section through the wall element according to the invention along BB in FIG. 1a,
Fig. 2a
3 shows a longitudinal section through an inventive key box with an inventive lock in the locking position, along AA in FIG. 2b,
Fig. 2b
3 shows a front view of the key box according to the invention according to FIG. 2a,
Fig. 3a
a longitudinal section through an inner part of the lock according to the invention of the key box according to the invention according to Fig. 2a, b in the locking position, corresponding to AA in Fig.3b,
Fig. 3b
a plan view of the inside of the closure according to the invention in the locking position,
Fig. 3c
3 shows a cross section through the inner part of the closure according to the invention in the locking position, along CC in FIG. 3a,
Fig. 4a
a longitudinal section through an inner part of the lock according to the invention of the key box according to the invention according to Fig. 2a, b in the unlocked position, corresponding to AA in Fig.4b,
Fig. 4b
a plan view of the inside of the closure according to the invention in the unlocked position and
Fig. 4c
3 shows a cross section through the inner part of the closure according to the invention in the locking position, along CC in FIG. 4a,

Wege zur Ausführung der ErfindungWays of Carrying Out the Invention

Das erfindungsgemässe Wandelement umfasst eine durchgehende Aussenschicht 1 aus Metall, vorzugsweise aus rostfreiem Stahl, welche regelmäsig über ihre Innenfläche verteilte quadratische Erhebungen 2 aufweist, deren Seitenlänge z. B. 2 cm beträgt. Auf die Aussenschicht 1 folgt eine ebenfalls durchgehende Weichschicht 3, welche mindestens zum Teil aus einem organischen Material besteht. Die Aussenfläche der Weichschicht 3 liegt an der Innenfläche der Aussenschicht 1 im wesentlichen lückenlos an und weist insbesondere Vertiefungen auf, welche die Erhebungen 2 aufnehmen. An die Weichschicht 3 schliesst wiederum unmittelbar eine Metallschicht 4 an, die wieder vorzugsweise aus rostfreiem Stahl besteht und an mehreren Stellen, beispielsweise durch Schraubenbolzen und Muttern, mit der Aussenschicht 1 durch die Weichschicht 3 hindurch verbunden sein kann. Die Schichten können aber auch durchgehend verklebt oder auf andere Weise verbunden sein.The wall element according to the invention comprises a continuous one Outer layer 1 made of metal, preferably stainless Steel, which spread regularly over its inner surface has square elevations 2, the side length of z. B. Is 2 cm. One also follows the outer layer 1 continuous soft layer 3, which at least partially an organic material. The outside surface of the Soft layer 3 lies on the inner surface of the outer layer 1 essentially without gaps and particularly points Wells that receive the surveys 2. To the Soft layer 3 in turn immediately closes one Metal layer 4, which again preferably made of stainless Steel exists and in several places, for example through Bolts and nuts, with the outer layer 1 through the soft layer 3 can be connected through. The Layers can also be glued or applied continuously be connected in another way.

Die Weichschicht 3 bildet einen Einsatz aus Weichmaterial, der zusammen mit der Aussenschicht 1 Angriffe mit Trennscheiben weitgehend wirkungslos macht. Beim Durchschneiden der Aussenschicht 1 erhitzt sich die Trennscheibe so weit, dass sie beim Eindringen in die Weichschicht 3 das Material derselben zum Schmelzen bringt. Die Schmelze überzieht die Trennscheibe mit einer glatten Schicht, die insbesondere die Unebenheiten in der Oberfläche der Trennscheibe ausfüllt und dieselbe unwirksam macht.The soft layer 3 forms an insert made of soft material, who along with the outer layer 1 attacks with Cutting discs largely ineffective. At the Cutting through the outer layer 1 heats up Cutting disc so far that it penetrates into the Soft layer 3 brings the material of the same to melt. The melt covers the cutting disc with a smooth one Layer, in particular the bumps in the surface fills the cutting disc and makes it ineffective.

Als Materialien für die Weichschicht 3 kommen im Grunde alle Stoffe in Frage, die die erwähnte Wirkung zeigen, d. h. die bei den entstehenden Temperaturen schmelzen oder erweichen und deren Schmelze die Trennscheibe derart überzieht, dass sie unwirksam wird. Voraussetzung dafür dürfte sein, dass der Schmelz- oder Erweichungspunkt nicht mehr als 300°C beträgt. Andererseits darf die Weichschicht nicht zu leicht zum Schmelzen und zum Auslaufen gebracht werden können und muss insbesondere bei Zimmertemperatur fest sein. Bevorzugt werden organische Materialien mit einem Schmelz- oder Erweichungspunkt zwischen 80°C und 250°C, bei denen ausserdem die Viskosität der Schmelze verhältnismässig hoch ist. Besonders bewährt haben sich Kunststoffe, insbesondere thermoplastische Kunststoffe, etwa auf der Basis von Polyoxymethylen oder Polyamid. Aus Delrin (Polyoxymethylen) und Ultramid B (Polyamid) wurden z. B. Weichschichten hergestellt, die eine Korund-beschichtete Trennscheibe schon kurz nach dem Eindringen derselben vollständig unwirksam machten. Diese Materialien waren auch sehr schwer von der Trennscheibe zu entfernen. Denkbar ist auch die Verwendung von anderen Polymeren, von Fetten, Wachsen und Harzen.Basically, all come as materials for the soft layer 3 Substances in question that show the mentioned effect, d. H. the melt or soften at the resulting temperatures and whose melt covers the cutting disc in such a way that it becomes ineffective. The prerequisite for this should be that the melting or softening point does not exceed 300 ° C is. On the other hand, the soft layer must not be too light can be melted and leaked and must be firm, especially at room temperature. Prefers are organic materials with a melting or Softening point between 80 ° C and 250 ° C at which in addition, the viscosity of the melt is relatively high is. Plastics have proven particularly useful, in particular thermoplastics, for example based on Polyoxymethylene or polyamide. Made from Delrin (polyoxymethylene) and Ultramid B (polyamide) were e.g. B. soft layers manufactured that already has a corundum-coated cutting disc completely ineffective shortly after the penetration thereof made. These materials were also very heavy from that To remove the cutting disc. Use is also conceivable of other polymers, of fats, waxes and resins.

Die Aussenschicht 1 muss so stark sein, dass sie eine ausreichende Erwärmung der Trennscheibe sicherstellt. Die Unebenheit ihrer Innenfläche bewirkt, dass es nur schwer oder gar nicht möglich ist, die Aussenschicht 1 vollständig zu durchtrennen, ohne in die Weichschicht 3 einzudringen und damit die oben erläuterte Wirkung der Weichschicht 3 auszulösen. Die Unebenheiten sollten möglichst von einer Grössenordnung von nicht mehr als einigen Zentimetern, z. B. ca. 5 cm oder vorzugsweise 2 cm sein, d. h. ebene Flächenstücke sollten mindestens nach einer Richtung nicht wesentlich grösser sein, so dass es nicht möglich ist, grössere Stücke aus der Aussenschicht herauszuschneiden, die dann den Einsatz anderer mechanischer Werkzeuge gegen die Weichschicht usw. ermöglichen würden. Die Tiefe der Unebenheiten liegt vorzugsweise bei einigen Millimetern. Die Dicke der Weichschicht 3 beträgt vorzugsweise mindestens 8 mm.The outer layer 1 must be so strong that it is a ensures sufficient heating of the cutting disc. The Roughness of their inner surface makes it difficult or is not possible at all, the outer layer 1 completely to cut without penetrating the soft layer 3 and thus the effect of the soft layer 3 explained above trigger. The bumps should be from one Order of magnitude of no more than a few centimeters, e.g. B. about 5 cm or preferably 2 cm, d. H. level Patches should not be at least in one direction be much larger so that it is not possible cut larger pieces out of the outer layer, the then the use of other mechanical tools against the Soft layer, etc. would allow. The depth of the Bumps are preferably a few millimeters. The The thickness of the soft layer 3 is preferably at least 8 mm.

Es sind natürlich vom gezeigten Ausführungsbeispiel abweichende Ausführungen des erfindungsgemässen Wandelements möglich. So kann etwa die Innenseite der Aussenwand 1 unregelmässig strukturiert sein oder wellig sein oder auch eine Gruppe paralleler Stege oder Rippen aufweisen, die in regelmässigen Abständen, vorzugsweise wiederum von wenigen Zentimetern, z. B. ca. 2 cm, aufeinanderfolgen oder auch zwei oder mehr einander kreuzende derartige Gruppen. Statt einer durchgehenden Weichschicht kann auch ein Einsatz aus Weichmaterial verwendet werden, der nicht durchgehend, z. B. streifen- oder fleckenweise angebracht ist, wobei freilich die Verteilung so zu wählen ist, dass ein Ausschneiden eines Teils des Wandelements mit einer Trennscheibe ohne Berührung der Weichschicht erschwert oder unmöglich ist. Einsätze der beschriebenen Art können auch in beweglichen Teilen eines Wandelements wie Riegeln u. a. vorgesehen sein.It is of course from the embodiment shown different designs of the wall element according to the invention possible. For example, the inside of the outer wall 1 be irregularly structured or be wavy or else have a group of parallel webs or ribs which in regular intervals, preferably again a few Centimeters, e.g. B. about 2 cm, successive or two or more such groups crossing each other. Instead of a continuous soft layer can also be used Soft material is used that is not continuous, e.g. B. strips or stains is attached, although of course to choose the distribution so that a cut out of a Part of the wall element with a cutting disc without contact the soft layer is difficult or impossible. Inserts of the described type can also in moving parts of a Wall elements such as bars and. a. be provided.

Wie bereits erwähnt, kann ein erfindungsgemässes Wandelement mit Vorteil als bewegliches Verschlussteil eines Verschlusses für einen einbruchsicheren Raum oder Behälter, z. B. als Tür eines Tresors eingesetzt werden. Ein weiteres Beispiel für einen entsprechenden Behälter ist eine Schlüsselbüchse, wie sie im folgenden im Zusammenhang mit Fig. 2a,b, 3a-c, 4a-c im einzelnen beschrieben wird.As already mentioned, a wall element according to the invention can advantageous as a movable closure part of a Closure for a burglar-proof room or container, z. B. can be used as a door of a safe. Another one An example of a corresponding container is one Key box, as related below 2a, b, 3a-c, 4a-c is described in detail.

Das zylindrische Gehäuse der Schlüsselbüchse weist (Fig. 2a) eine umlaufende Seitenwand 5 auf und ist einseitig durch eine feste Rückwand 6 abgeschlossen. Konzentrisch zur Seitenwand 5 ist innerhalb des Gehäuses ein Schlüsselrohr 7 angeordnet, das mit einem Hinterende an die Rückwand 6 stösst, während es vorne offen ist. In diesem Bereich ist die Seitenwand 5 mit dem Schlüsselrohr 7 durch eine ringförmige Rosette 8 verbunden. Sie bilden einen Rahmen, der die kreisrunde Oeffnung der Schlüsselbüchse umgibt. Die Oeffnung ist durch ein rundes Verschlussteil 9 verschlossen, dessen Aussenschicht von einer ringförmigen Verschlussplatte 10 aus rostfreiem Stahl mit einer aussen umlaufenden, nach innen gerichteten Schürze 11 gebildet wird, die einen an die Verschlussplatte 10 anschliessenden ringförmigen Einsatz 12 umgibt und an der eine ringförmige Halterung 13 verankert ist, welche an die Rückseite des Einsatzes 12 anschliesst und ihn festhält. Der Einsatz 12 ist ca. 2 cm breit und bildet eine Weichschicht, wie sie weiter oben eingehend beschrieben worden ist, die Halterung 13 besteht aus Stahl. Hinter einer mittigen Oeffnung in der Verschlussplatte 10 ist ein Schliesszylinder 14 eingesetzt, der von der Verschlussplatte 10 festgehalten wird und mit einer vorderen Schulter an den die Oeffnung umgebenden Randbereich derselben stösst. Der Schliesszylinder 14 weist eine Schlüsselöffnung für den Eingriff eines Büchsenschlüssels 15 auf. Er ist durch ein drehbar vor der Schlüsselöffnung angeordnetes, mit einem Schlitz zum Durchstecken des Büchsenschlüssels 15 versehenes Stahlplättchen mit einem eingesetzten Hartmetallteil gesichert, das Aufbohren und Auftrennen erschwert. Das Schlüsselrohr 7 umschliesst einen Innenraum zur Aufnahme eines Gebäudeschlüssels 16. Es können natürlich auch andere Gegenstände dort untergebracht werden.The cylindrical housing of the key box has (Fig. 2a) a circumferential side wall 5 and is through on one side a fixed rear wall 6 completed. Concentric to Side wall 5 is a key tube 7 within the housing arranged with a rear end to the rear wall 6 bumps while it's open at the front. Is in this area the side wall 5 with the key tube 7 through a annular rosette 8 connected. They form a frame that surrounds the circular opening of the key box. The The opening is closed by a round closure part 9, the outer layer of an annular closure plate 10 made of stainless steel with an outer circumferential, after internally directed apron 11 is formed, which one to the Closing plate 10 connecting annular insert 12th surrounds and anchored to an annular bracket 13 which connects to the back of the insert 12 and holding him. The insert 12 is about 2 cm wide and forms a soft layer as detailed above has been described, the bracket 13 is made of steel. Behind a central opening in the closing plate 10 a lock cylinder 14 is used, which of the Closure plate 10 is held and with a front Shoulder to the edge area surrounding the opening the same. The lock cylinder 14 has one Key opening for the engagement of a rifle key 15 on. It can be rotated in front of the key opening arranged, with a slot for pushing through the Box key 15 provided with a steel plate used carbide part secured, drilling and Unplugging difficult. The key tube 7 encloses one Interior to hold a building key 16. It can Of course, other items can also be accommodated there.

An die Halterung 13 schliesst ein Haltering 17 an, welcher aus drei Sektoren 18a,b,c (s. Fig. 3a-c, 4a-c) besteht, welche mit Abstand aneinander anschliessen. Jeder der Sektoren 18a,b,c weist einen über seinen Winkelbereich durchgezogenen Aussenteil 19 auf sowie einen über eine aussen angeordnete Schale 20 mit demselben verbundenen Innenteil 21, welcher eine mittige Ausnehmung 22 aufweist. Die Ausnehmungen 22 gestatten das Einsetzen eines Verschlussriegels 23, der mit dem inneren Ende des Schliesszylinders 14 verschraubt ist. Zwischen zwei der Sektoren 18a,b,c des Halterings 17 sind jeweils, gegenüber dem Innenteil 21 nach aussen versetzt, im die Oeffnung umgebenden Rahmen verankerte und radial nach innen gerichtete Anschlagbolzen 24a,b,c angeordnet. Der Verschlussriegel 23 weist ebenfalls drei radial nach aussen abstehende Verriegelungsnocken 25a,b,c auf, welche in der Verriegelungsstellung (Fig. 3a-c) mit den Anschlagbolzen 24a,b,c zur Deckung gebracht sind, so dass dieselben einen Anschlag bilden, der ein Abnehmen des Verschlussteils 9 verhindert. Zur Entriegelung wird der Verschlussriegel 23 mittels des Schliesszylinders in die Entriegelungsstellung (Fig. 4a-c) gedreht (s. Pfeile in Fig. 3b,c), in der die Verriegelungsnocken 25a,b,c von den Anschlagbolzen 24a,b,c frei sind und das Verschlussteil 9 nach aussen gezogen und die Schlüsselbüchse geöffnet werden kann.A holding ring 17 connects to the holder 13, which consists of three sectors 18a, b, c (see FIGS. 3a-c, 4a-c), which connect with each other at a distance. Everyone who Sectors 18a, b, c have one over its angular range solid outer part 19 and one over a externally arranged shell 20 connected to the same Inner part 21, which has a central recess 22. The recesses 22 allow the insertion of one Locking bolt 23, which is connected to the inner end of the Lock cylinder 14 is screwed. Between two of the Sectors 18a, b, c of the retaining ring 17 are opposite each other the inner part 21 offset outwards, in the opening surrounding frame anchored and radially inward Directional stop bolts 24a, b, c arranged. The Locking bolt 23 also has three radially outwards protruding locking cams 25a, b, c, which in the Locking position (Fig. 3a-c) with the stop bolt 24a, b, c are coincident so that they unite Form a stop that removes the closure part 9 prevented. The lock bolt 23 is used for unlocking into the unlocking position by means of the locking cylinder (Fig. 4a-c) rotated (see arrows in Fig. 3b, c), in which the Locking cams 25a, b, c from the stop bolts 24a, b, c are free and the closure part 9 is pulled outwards and the key box can be opened.

Zur Sicherung des Verschlusses für den Fall, dass der Schliesszylinder 14 aufgebohrt wird, ist ein Sicherungsteil vorgesehen mit einer anschliessend an eine Bohrung 26 im Innenteil 21 des Sektors 18a des Halteringes 17 parallel zum Schliesszylinder 14 nach innen ragenden und durch eine abnehmbare Kappe 27 verschlossenen Hülse 28, in welcher als Blockierteil ein Stift 29 verschieblich gelagert ist. Er steht durch eine an der Kappe 27 abgestützte Spiralfeder 30 unter einer nach aussen gerichteten Vorspannung, so dass er in der Verriegelungsstellung durch die Bohrung 26 und einen kurzen sich in Umfangsrichtung erstreckenden Schlitz 31 im Verriegelungsnocken 25a ragt.To secure the closure in the event that the Lock cylinder 14 is drilled out, is a securing part provided with a subsequent to a bore 26 in the Inner part 21 of the sector 18a of the retaining ring 17 parallel to Lock cylinder 14 projecting inwards and through a removable cap 27 closed sleeve 28, in which as Blocking part a pin 29 is slidably mounted. He stands by a coil spring 30 supported on the cap 27 under an outward bias so that it in the locking position through the bore 26 and one short circumferentially extending slot 31 in Locking cam 25a protrudes.

Damit der Verschlussriegel 23 in die Entriegelungsstellung gebracht werden kann, ist, an denselben anschliessend und durch die gleiche Mutter gesichert am inneren Ende des Schliesszylinders 14 als Entsicherungsteil eine etwa kreissektorförmige Kurvenscheibe 32 angebracht, mit einem Randstreifen, welcher eine mit dem Stift 29 wechselwirkende Angriffsfläche 33 bildet. Sie greift durch eine seitliche Oeffnung in der Hülse 28 mit einem nach aussen weisenden Entsicherungsanschlag 34 an demselben ein. In der Verriegelungsstellung des Verschlussriegels 23 ist der Entsicherungsanschlag 34 des Stiftes 29 mit einem nach aussen versetzten Teil der Angriffsfläche 33 in Kontakt, so dass er unter der Einwirkung der Spiralfeder 30 durch die Bohrung 26 im Innenteil 21 des Sektors 18a und den Schlitz 31 im Verriegelungsnocken 25a des Verschlussriegels 23 ragt. Die Verdrehbarkeit des Verschlussriegels 23 wird bei dieser Stellung des Stiftes 29 auf einen kleinen Winkelbereich beschränkt, der durch die Länge des Schlitzes 31 bestimmt ist und ein Freiwerden der Verriegelungsnocken 25a,b,c von den Anschlagbolzen 24a,b,c nicht zulässt, so dass das Verschlussteil 9 nicht entriegelbar ist.So that the locking bolt 23 in the unlocked position can be brought, is connected to the same and secured by the same nut at the inner end of the Lock cylinder 14 as an unlocking part approximately Circle sector-shaped cam 32 attached, with a Edge strip, which one interacting with the pin 29 Attack surface 33 forms. It reaches through a side Opening in the sleeve 28 with an outwardly facing Release lock 34 on the same one. In the Locking position of the locking bolt 23 is the Unlocking stop 34 of the pin 29 with a outside part of the contact surface 33 in contact, see above that under the action of the coil spring 30 by the Bore 26 in the inner part 21 of the sector 18a and the slot 31 protrudes in the locking cam 25a of the locking bolt 23. The rotatability of the locking bolt 23 is in this Position of the pin 29 on a small angular range limited, which is determined by the length of the slot 31 and a release of the locking cams 25a, b, c of does not allow the stop pin 24a, b, c, so that Locking part 9 is not unlockable.

Da jedoch bei Verdrehung des Verschlussriegels 23 aus der Verriegelungsstellung die Kurvenscheibe 32 mitgenommen wird und die Kontaktstelle mit dem Entsicherungsanschlag 34 sich auf der Angriffsfläche 33 nach innen verlagert, wird der Stift 29 aus dem Schlitz 31 zurückgezogen, bevor er von dessen Ende erreicht wird, so dass er die Bewegung des Verschlussriegels 23 nicht behindert und derselbe in die Entriegelungsstellung gedreht werden kann. Wird der Verschlussriegel 23 mittels des Schliesszylinders 14 wieder in die Verriegelungsstellung gedreht (s. Pfeile in Fig. 4b,c), so kehren sich auch die Bewegungen der Kurvenscheibe 32 und damit Stiftes 29 um, welcher unter der Einwirkung der Spiralfeder 30 wieder in den Schlitz 31 geschoben wird.However, since the locking bolt 23 is rotated out of the Locking position, the cam 32 is taken and the contact point with the unlocking stop 34 itself on the attack surface 33 inwards, the Retracted pin 29 from slot 31 before it from the end of which is reached so that he can move the Locking bar 23 is not hindered and the same in the Unlocking position can be rotated. Will the Lock bolt 23 by means of the locking cylinder 14 again turned to the locked position (see arrows in Fig. 4b, c), the movements of the cam are also reversed 32 and thus pin 29 around, which under the influence of Coil spring 30 is pushed back into the slot 31.

Wird jedoch der Schliesszylinder 14 aufgebohrt, so wird mit der Verbindung desselben mit dem Verschlussriegel 23 auch diejenige mit der Kurvenscheibe 32 zerstört. Die Kurvenscheibe 32 fällt vom Schliesszylinder 14 ab, so dass der Stift 29, von der Einwirkung der Kurvenscheibe 32 frei geworden, durch die Spiralfeder 30 nach aussen gedrückt wird, bis er an den Aussenteil 19 des Sektors 18a des Halteringes 17 anstösst. Er ragt dann durch den Schlitz 31 am Verriegelungsnocken 25a des Verschlussriegels 23, durch die Bohrung 26 am Innenteil 21 des Sektors 18a und ein Stück weit in die Hülse 28, so dass er die Verdrehbarkeit des Verschlussriegels 23 auf den oben erwähnten kleinen Winkelbereich einschränkt und eine Entriegelung des Verschlussteils 9 verhindert.If, however, the locking cylinder 14 is drilled out, then with the connection of the same with the locking bar 23 also destroyed with the cam 32. The Cam 32 drops from the lock cylinder 14, so that the pin 29, free from the action of the cam 32 become pressed outwards by the spiral spring 30 until it connects to the outer part 19 of the sector 18a of the Holding ring 17 abuts. It then protrudes through slot 31 on the locking cam 25a of the locking bolt 23 the bore 26 on the inner part 21 of the sector 18a and a piece far into the sleeve 28 so that he the rotatability of the Locking bar 23 on the small ones mentioned above Restricted angular range and unlocking the Locking part 9 prevented.

Es ist möglich, statt einer Kurvenscheibe eine ebene Scheibe zu verwenden, die den Stift stets ausser Eingriff mit dem Verschlussriegel hält, so dass dieser erst hergestellt wird, wenn die Scheibe abfällt. Da die Bewegung des Stiftes jedoch durch unvorhergesehene Einflüsse behindert werden könnte und ausserdem die Feder unter starker Dauerspannung bliebe, ist es sicherer, den Stift so zu führen, dass er in der Verriegelungsstellung mit dem Verschlussriegel eingreift. Auch weitergehende Abwandlungen dieses weiteren Aspekts der Erfindung sind natürlich möglich. Entscheidend ist das Vorhandensein einer Sicherungseinrichtung, welche mindestens in der Verriegelungsstellung des Verschlussriegels denselben blockiert, wenn sie nicht durch anderweitige Einwirkung, insbesondere die eines Entsicherungselements, das bei Trennung des Verschlussriegels vom Schliesszylinder ausser Kraft gesetzt wird, daran gehindert wird.It is possible to use a flat disk instead of a cam disk to use the pen always out of engagement with the Locking latch holds so that this is only made when the disc falls off. Because the movement of the pen, however could be hindered by unforeseen influences and also the spring would remain under strong permanent tension it is safer to guide the pen so that it is in the Locked position engages with the locking bolt. Further modifications of this further aspect of the Invention is of course possible. It is crucial Presence of a safety device, which at least in the locking position of the locking bar the same blocked if not by other means, in particular that of an unlocking element that at Separation of the locking bolt from the locking cylinder except Strengthened is prevented.

Zum Schutz vor allem des Schliesszylinders 14 ist (Fig. 2a,b) ein kreisrunder Deckel 35 aus rostfreiem Stahl vor der Verschlussplatte 10 angebracht, der dieselbe vollständig abdeckt. Insbesondere ist die Frontseite des Schliesszylinders 14 mit der Schlüsselöffnung nicht zugänglich. Der Deckel 35 weist eine vollständig ebene, glatte Aussenfläche auf, während sein umlaufender Rand teilweise abgeschrägt ist. Er ist schwenkbar aufgehängt, und zwar mittels eines in der Rosette 8 am unteren Rand des Gehäuses drehbar gelagerten Bolzens 36, der die zur Achse des Gehäuses parallele Schwenkachse des Deckels 35 bildet. Eine Schenkelfeder 37 übt auf denselben ein Drehmoment aus, welches ihn aus der Schliesstellung um 180° in eine in Fig. 2b gestrichelt dargestellte Position zu drehen sucht, in welcher er die Verschlussplatte 10 vollständig freigibt. Das Drehmoment kann statt wie beschrieben durch die Schenkelfeder 37 oder zusätzlich dazu durch die Einwirkung der Schwerkraft auf den Deckel 35 erzeugt werden, indem der Bolzen 36 leicht asymmetrisch, d. h. gegen die vertikale und axiale Symmetrieebene des Deckels 35 seitlich versetzt angeordnet ist.To protect especially the lock cylinder 14 (Fig. 2a, b) a circular lid 35 made of stainless steel in front of the Closure plate 10 attached, the same completely covers. In particular, the front of the Lock cylinder 14 with the key opening is not accessible. The cover 35 has a completely flat, smooth outer surface while its peripheral edge is partially beveled. It is suspended, and by means of a in the rosette 8 at the bottom of the Housing rotatably mounted bolt 36, which to the axis of the housing forms a parallel pivot axis of the cover 35. A leg spring 37 exerts a torque on the same, which moves it from the closed position by 180 ° to one in Fig. 2b position shown in dashed lines tries to turn in which he completely releases the closure plate 10. The Torque can instead be as described by the Leg spring 37 or additionally by the action gravity on the lid 35 are generated by the Bolt 36 slightly asymmetrical, d. H. against the vertical and axial plane of symmetry of the cover 35 laterally offset is arranged.

Im Normalfall wird eine Verschwenkung des Deckels 35 aus der Schliessstellung jedoch durch eine Verriegelungseinrichtung 38 verhindert, welche am oberen Rand des Gehäuses zwischen der Seitenwand 5 desselben und dem Schlüsselrohr 7 angeordnet ist. Sie umfasst einen Verriegelungsstift 39, welcher senkrecht zum Deckel 35 verschiebbar in der Rosette 8 gelagert und durch eine Druckfeder 40 mit einer gegen den Deckel 35 wirkenden Kraft beaufschlagt ist. Er wird so in der in Fig. 2a dargestellten Verriegelungsstellung festgehalten, in der er in eine Ausnehmung 41 an der Innenseite des Deckels 35 eingreift, so dass derselbe unverschwenkbar in der Schliessstellung festgehalten wird. Das entgegengesetzte Ende des Verriegelungsstiftes 39 ragt in das Innere eines Elektromagneten 42 und ist von dessen Wicklung umgeben. Ueber eine elektrische Leitung 43, über welche die Schlüsselbüchse z. B. an eine Alarmzentrale angeschlossen ist, kann der Elektromagnet 42 betätigt werden. Am gegen den Deckel 35 gerichteten Ende trägt der Verriegelungsstift 39 einen starken Permanentmagneten 44.In the normal case, a pivoting of the lid 35 from the However, closed position by a locking device 38 prevents which at the top of the housing between the side wall 5 of the same and the key tube 7 is arranged. It includes a locking pin 39 which is slidable perpendicular to the cover 35 in the rosette 8 stored and by a compression spring 40 with one against the Cover 35 acting force is applied. He's going in like this the locking position shown in Fig. 2a held in which he in a recess 41 on the Engages inside of the lid 35 so that the same is held immovable in the closed position. The opposite end of the locking pin 39 protrudes inside an electromagnet 42 and is from it Surrounded winding. Via an electrical line 43, via which the key box z. B. to an alarm center is connected, the electromagnet 42 can be actuated become. At the end directed against the cover 35 carries the Locking pin 39 a strong permanent magnet 44th

Soll nun im Fall eines Alarms die Schlüsselbüchse geöffnet werden, so muss zuerst der Deckel 35 entriegelt werden. Dies geschieht durch ein elektrisches Signal, einen Stromstoss, der über die Leitung 43 an die Schlüsselbüchse gelangt und den Elektromagneten 42 aktiviert, der den Verriegelungsstift 39, dessen hinterer Abschnitt als Anker in das von dessen Wicklung umgebene Innere des Elektromagneten 42 ragt, aus der Verriegelungsstellung zurückzieht. Der Deckel 35 wird daraufhin durch die Schenkelfeder 37 und die Einwirkung der Schwerkraft um 180° in die in Fig. 2b gestrichelt dargestellte Stellung gedreht und gibt die Front des Verschlussdeckels 9 frei. Nun kann der Büchsenschlüssel 15 in die Schlüsselöffnung des Schliesszylinders 14 eingeführt und der Verschlussdeckel 9 entriegelt und entfernt werden, worauf der Gebäudeschlüssel 16 entnommen werden kann.Should the key box be opened in the event of an alarm? , the cover 35 must first be unlocked. This happens through an electrical signal, a surge of electricity, who reaches the key box via line 43 and the solenoid 42 which activates the locking pin 39, the rear portion of which is anchored in that of its Winding surrounding interior of the electromagnet 42 protrudes withdraws the locking position. The lid 35 will then by the leg spring 37 and the action of Gravity dashed through 180 ° in Fig. 2b position shown rotates and gives the front of the Cap 9 free. Now the rifle key 15 inserted into the key opening of the lock cylinder 14 and the cover 9 is unlocked and removed, whereupon the building key 16 can be removed.

In vielen Fällen ist es wünschenswert, dass die Schlüsselbüchse, z. B. für Inspektionszwecke, auch ohne Auslösung eines Alarms und ohne entsprechendes Signal an den Elektromagneten 42 geöffnet werden kann. Bei der beschriebenen Ausführung ist dies mit einem geeigneten Werkzeug möglich, nämlich einem starken Permanentmagneten, der an der Stelle, an welcher an der Innenseite die Ausnehmung 41 angeordnet ist, mit zu der des Permanentmagneten 44 entgegengesetzter, d. h. denselben abstossender Polung gegen die Aussenseite des Deckels 35 gedrückt wird, so dass durch die Wechselwirkung der Permanentmagneten der Verriegelungsstift 39 aus der Verriegelungsstellung zurückgedrückt und der Deckel 35 aus der Schliessstellung geschwenkt wird.In many cases it is desirable that the Key box, e.g. B. for inspection purposes, even without Triggering an alarm and without a corresponding signal to the Electromagnet 42 can be opened. In the described execution this is with a suitable Tool possible, namely a strong permanent magnet, the one on the inside where the Recess 41 is arranged with that of Permanent magnets 44 opposite, i.e. H. the same repelling polarity against the outside of the cover 35 is pressed so that by the interaction of the Permanent magnet of the locking pin 39 from the Locked position pushed back and the cover 35 out the closed position is pivoted.

Zur Sicherung des Gebäudeschlüssels 16 kann derselbe in den vom Schlüsselrohr 7 umgebenen Innenraum gelegt und dann die Verschlussplatte 9 aufgesetzt und mittels des Büchsenschlüssels 15 durch den Schliesszylinder 14 gesichert werden. Wird schliesslich der Deckel 35 in die Schliessstellung geschwenkt, so wird der Verriegelungsstift 39 durch die Druckfeder 40 selbsttätig in die Verriegelungsstellung gebracht und der Deckel 35 verriegelt.To secure the building key 16, the same can be in the from the key tube 7 surrounded interior and then the Sealing plate 9 placed and by means of Bush key 15 secured by the lock cylinder 14 become. Finally, the lid 35 in the Pivoted closed position, so the locking pin 39 automatically by the compression spring 40 in the Bring locked position and the lid 35 locked.

Es sind natürlich verschiedene Abwandlungen auch des zuletzt dargestellten Aspekts der Erfindung möglich, ohne dass damit der grundsätzliche Erfindungsgedanke verlassen würde. So ist es ohne weiteres denkbar, keine Möglichkeit der Entriegelung des Deckels durch unmittelbare äussere Einwirkung auf die Schlüsselbüchse vorzusehen, sondern lediglich Fernentriegelung, vorzugsweise über eine geeignete Leitung. Die Fernentriegelung kann jedoch statt wie dargestellt auf elektromagnetischem Wege auch pneumatisch, hydraulisch oder auf andere mechanische Weise erfolgen. Auch eine Fernentriegelung durch elektromagnetische Wellen - Funk-, Infrarot- oder optische Signale - ist denkbar. Umgekehrt kann auch auf die Möglichkeit der Fernentriegelung verzichtet und lediglich die Möglichkeit der Entriegelung durch unmittelbare äussere Einwirkung auf die Schlüsselbüchse vorgesehen werden.There are of course various modifications of the last one illustrated aspect of the invention possible without the basic idea of the invention would leave. So is it is easily conceivable, no way of unlocking of the lid by direct external influence on the To provide a key box, but only Remote unlocking, preferably via a suitable cable. However, the remote release can be opened instead of as shown Pneumatically, hydraulically or by electromagnetic means done in a different mechanical manner. Also one Remote unlocking by electromagnetic waves - radio, Infrared or optical signals - is conceivable. Vice versa can also on the possibility of remote unlocking waived and only the possibility of unlocking by direct external influence on the Key box can be provided.

Auch wenn vorgesehen ist, eine Entriegelung des Deckels durch unmittelbare äussere Einwirkung auf denselben zu ermöglichen, so sind neben dem beschriebenen magnetischen auch andere Wege möglich. Entscheidend ist stets, dass der Deckel, der im Fall eines Alarms durch Befugte leicht und schnell entriegelbar sein muss, im übrigen weder ohne weiteres, also ohne Einsatz spezieller Werkzeuge geöffnet werden kann noch so manipuliert werden kann, dass er auch mit den vorgesehenen Werkzeugen nicht oder nicht sofort zu öffnen ist. Dies kann auch erreicht werden, indem eine Entriegelung mit mechanischen, z. B. pneumatischen Werkzeugen ermöglicht wird. Sie kann etwa eine grosse mechanische Kraft erfordern, die ohne ein Spezialwerkzeug nicht aufgebracht werden kann. Die beschriebene Methode, bei welcher ein starker Permanentmagnet als Spezialwerkzeug zur Entriegelung eingesetzt wird, hat den besonderen Vorteil, dass sie keinerlei Oeffnungen am Gehäuse der Schlüsselbüchse erfordert und insbesondere die Geschlossenheit der Front in keiner Weise beeinträchtigt zu werden braucht.Unlocking of the cover is also provided, if provided through direct external influence on the same enable, so are next to the described magnetic other ways are possible. It is always crucial that the Cover that easily and in the event of an alarm by authorized personnel must be unlockable quickly, otherwise neither without opened further, i.e. without the use of special tools can still be manipulated in such a way that it can also be manipulated with the tools provided or not immediately is open. This can also be achieved by using a Unlocking with mechanical, e.g. B. pneumatic Tools is made possible. It can be a big one require mechanical force without a special tool cannot be applied. The method described, at which is a strong permanent magnet as a special tool for Unlocking has the particular advantage that there are no openings in the housing of the key box requires and in particular the unity of the front in does not need to be affected in any way.

Auch vom zuletzt beschriebenen weiteren Aspekt der Erfindung kann unabhängig von den vorgängig geschilderten Gebrauch gemacht werden. Ein erfindungsgemäss gesicherter Deckel bietet auch bei im übrigen konventionell ausgebildeten Schlüsselbüchsen einen wirksamen Vandalenschutz. Mit einer Schlüsselbüchse, bei welcher von allen Aspekten der Erfindung Gebrauch gemacht wird, wird eine umfassende Verbesserung der Sicherheit erzielt.Also from the last described aspect of the invention can be used regardless of the previously described be made. A lid secured according to the invention also offers conventionally trained Key boxes provide effective vandal protection. With a Key box, in which all aspects of the Invention used will be a comprehensive one Security improvement achieved.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Aussenschichtouter layer
22
Erhebungsurvey
33
Weichschichtsoft layer
44
Metallschichtmetal layer
55
SeitenwandSide wall
66
Rückwandrear wall
77
Schlüsselrohrkey pipe
88th
Rosetterosette
99
Verschlussdeckelcap
1010
Verschlussplatteclosing plate
1111
Schürzeapron
1212
Einsatzcommitment
1313
Halterungbracket
1414
Schliesszylinderlock cylinders
1515
Büchsenschlüsselbush key
1616
Gebäudeschlüsselbuilding key
1717
Halteringretaining ring
18a,b,c18a, b, c
Sektoren des Halterings 17Sectors of the retaining ring 17
1919
Aussenteil des Sektors 18a,b,cExternal part of sector 18a, b, c
2020
Schale des Sektors 18a,b,cShell of sector 18a, b, c
2121
Innenteil des Sektors 18a,b,cInner part of sector 18a, b, c
2222
Ausnehmung im Innenteil 21Recess in the inner part 21
2323
Verschlussriegellocking latch
24a,b,c24a, b, c
Anschlagbolzenstop pin
25a,b,c25a, b, c
Verriegelungsnockenlocking cam
2626
Bohrung im Innenteil 21Hole in the inner part 21
2727
Kappecap
2828
Hülseshell
2929
Stift pen
3030
Spiralfederspiral spring
3131
Schlitz im Verriegelungsnocken 25aSlot in the locking cam 25a
3232
Kurvenscheibecam
3333
Angriffsflächeattack surface
3434
EntsicherungsanschlagEntsicherungsanschlag
3535
Deckelcover
3636
Bolzenbolt
3737
SchenkelfederLeg spring
3838
Verriegelungseinrichtunglocking device
3939
Verriegelungsstiftlocking pin
4040
Druckfedercompression spring
4141
Ausnehmung im Deckel 35Cutout in cover 35
4242
Elektromagnetelectromagnet
4343
Leitungmanagement
4444
Permanentmagnetpermanent magnet

Claims (31)

  1. Penetration-resistant wall element comprising, on the outside, a continuous outer layer (1) of metal, in particular steel, an insert immediately following the outer layer (1), of at least partly organic soft material which is solid at room temperature, has a melting point of not more than 300°C and extends substantially over the total surface of the wall element, characterized in that the inner surface of the outer layer (1) is uneven throughout.
  2. Wall element according to Claim 1, characterized in that the irregularities of the inner surface of the outer layer (1) have an order of magnitude of a few centimetres, in particular about 2 cm.
  3. Wall element according to Claim 1 or 2, characterized in that the insert is in the form of a continuous soft layer (3) at least almost parallel to the outside.
  4. Wall element according to any of Claims 1 to 3, characterized in that the inner surface of the outer layer (1) has protuberances (2) or ribs.
  5. Wall element according to any of Claims 1 to 4, characterized in that at least one metal layer (4) follows the insert toward the inside.
  6. Wall element according to any of Claims 1 to 5, characterized in that the melting point of the soft material is between 80°C and 250°C.
  7. Wall element according to Claim 6, characterized in that the soft material is a thermoplastic.
  8. Wall element according to Claim 7, characterized in that the thermoplastic is a polyamide or a polyoxymethylene.
  9. Closure for a burglar-proof room or container, comprising a movable closure part (9) which can be locked in a locking position in which it is inserted into an orifice surrounded by a frame, characterized in that the closure part (9) comprises a wall element according to any of Claims 1 to 8 and at least one rotatable lock cylinder (14) which is inserted into an orifice or recess in the wall element and whose inner end region is connected to at least one lock bolt (23) which can be adjusted by rotation of the lock cylinder (14) between a locking position, in which it engages behind a stop on the frame, and an unlocking position, in which it is free of the stop.
  10. Closure according to Claim 9, characterized in that the closure part (9) comprises a securing device which, without any effect in the locking position, would block a movement of the lock bolt (23) to the unlocking position, and an unlocking element which is likewise connected to the inner end region of the lock cylinder (14) and, at least on movement of the lock bolt (23) to the unlocking position, acts on the securing device in such a way that blocking of the lock bolt (23) by said device is eliminated.
  11. Closure according to Claim 10, characterized in that the lock bolt (23) and the unlocking element are connected directly in succession to the lock cylinder (14).
  12. Closure according to Claim 10 or 11, characterized in that the securing device comprises a blocking element which, at least without any action, is, in the locking position, held under initial tension in an engagement position in which it produces a movement of the lock bolt (23) towards the stop limiting the unlocking position and, at least on movement of the lock bolt (23) to the unlocking position, the unlocking element keeps the blocking element away from the engagement position against the initial tension so that said blocking element does not hinder the movement.
  13. Closure according to Claim 12, characterized in that the blocking element is fastened to the frame and the unlocking element has a movable engagement surface (33), a part of which in each case engages an unlocking stop (34) on the blocking element.
  14. Closure according to Claim 13, characterized in that the positions of the respective part of the engagement surface (33) which engages the blocking element differ in the locking position and in the unlocking position in such a way that, in the former, the blocking element is in the engagement position.
  15. Closure according to any of Claims 12 to 14, characterized in that the blocking element is in the form of a pin (29) and the initial tension is generated by a spring acting on the pin (29).
  16. Closure according to Claim 15, characterized in that the pin (29) is arranged in a sleeve (28) which is approximately parallel to the lock cylinder (14) and has only one lateral orifice permitting the action of the unlocking element on the pin (29).
  17. Key safe comprising a housing which surrounds an interior accessible by an orifice and intended for holding an article, in particular a building key (16), characterized in that said safe has a closure according to any of Claims 9 to 16 for closing the orifice.
  18. Key safe according to Claim 17, characterized in that the insert (12) of the closure part (9) surrounds the lock cylinder (14) in an annular manner.
  19. Key safe according to Claim 17 or 18, characterized in that the lock bolt (23) is fastened to the inner end of the lock cylinder (14) and is substantially in the form of a disc having a plurality of locking cams (25a, 25b, 25c) which are distributed over its circumference and, in the closed position, interact with a plurality of stop bolts (24a, 24b, 24c) which are anchored in the frame, project towards the lock cylinder (14) and form the stop.
  20. Key safe according to any of Claims 17 to 19, characterized in that the lock cylinder (14) has a keyhole accessible from the outside of the housing and intended for the introduction of a tubular safe key (15), and a cover (35) which covers at least the keyhole of the lock cylinder (14) in a closed position, and a locking device (38) by means of which the cover (35) can be locked in the closed position in such a way that unlocking thereof by direct external action is possible at most by means of a tool, are provided.
  21. Key safe according to Claim 19, characterized in that the locking device (38) comprises a movable locking part which, in a locking position, locks the cover (35) by engaging a recess (41) in its inside in the closed position.
  22. Key safe according to Claim 20 or 21, characterized in that the locking part is subjected to an elastic force which keeps it in the locking position.
  23. Key safe according to any of Claims 20 to 22, characterized in that the locking mechanism can be released by a remote signal.
  24. Key safe according to Claim 23, characterized in that a line (43) via which the remote signal can be transmitted electrically, pneumatically or hydraulically to the locking device (38) is connected to the key safe.
  25. Key safe according to Claim 20 and Claim 23 or 24, characterized in that the locking device (38) comprises an electromagnet (42) by means of which the locking part can be moved from the locking position by a remote electrical signal.
  26. Key safe according to any of Claims 20 to 25, characterized in that unlocking is possible by direct external action of a magnetic tool.
  27. Key safe according to Claims 21 and 26, characterized in that the locking device (38) comprises a permanent magnet (44) which is operatively connected to the locking part and on which it is possible to act from outside the key safe by means of the magnetic tool in such a way that the locking part is moved out of the locking position.
  28. Key safe according to any of Claims 21 to 27, characterized in that the locking part is in the form of a locking pin (39) displaceable substantially perpendicular to the cover.
  29. Key safe according to Claims 25 and 28, characterized in that the electromagnetic (42) acts directly on a part of the locking pin (39).
  30. Key safe according to Claim 27 and Claim 28 or 29, characterized in that the permanent magnet (44) is fastened in the region of that end of the locking pin (39) which points towards the cover (35).
  31. Key safe according to any of Claims 21 to 30, characterized in that the cover (35) is fastened to the key safe so as to be pivotable out of the closed position about an axis of rotation and, in the closed position, is subjected to a force which is suitable for swivelling it out of the closed position when unlocked.
EP98811038A 1997-10-20 1998-10-19 Penetration-resistant wall element, closure as well as tubular key safe Expired - Lifetime EP0911475B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03001085A EP1304443A3 (en) 1998-10-19 1998-10-19 Tubular key safe

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2428/97 1997-10-20
CH242897 1997-10-20
CH242897 1997-10-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03001085A Division EP1304443A3 (en) 1998-10-19 1998-10-19 Tubular key safe

Publications (2)

Publication Number Publication Date
EP0911475A1 EP0911475A1 (en) 1999-04-28
EP0911475B1 true EP0911475B1 (en) 2003-02-05

Family

ID=4233580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98811038A Expired - Lifetime EP0911475B1 (en) 1997-10-20 1998-10-19 Penetration-resistant wall element, closure as well as tubular key safe

Country Status (3)

Country Link
EP (1) EP0911475B1 (en)
AT (1) ATE232262T1 (en)
DE (1) DE59807107D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042334B2 (en) 2003-01-31 2006-05-09 General Electric Company Methods for managing access to physical assets
US7123127B2 (en) 2003-01-31 2006-10-17 General Electric Company System for managing physical assets
US9670694B2 (en) 2007-04-12 2017-06-06 Utc Fire & Security Americas Corporation, Inc. Restricted range lockbox, access device and methods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106760982A (en) * 2017-02-03 2017-05-31 卢世琼 Hinder key anti-theft lock
CN110359775B (en) * 2019-08-21 2023-07-28 珠海优特电力科技股份有限公司 Lock core and unlocking key

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241526C1 (en) * 1982-11-10 1983-12-22 Verschleißtechnik Dr.-Ing. Hans Wahl GmbH & Co, 7302 Ostfildern Filling for walls of safes, lining elements for safes or the like
USH1061H (en) 1983-06-29 1992-06-02 The United States Of America As Represented By The Secretary Of The Navy Composite shields

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042334B2 (en) 2003-01-31 2006-05-09 General Electric Company Methods for managing access to physical assets
US7123127B2 (en) 2003-01-31 2006-10-17 General Electric Company System for managing physical assets
US9670694B2 (en) 2007-04-12 2017-06-06 Utc Fire & Security Americas Corporation, Inc. Restricted range lockbox, access device and methods

Also Published As

Publication number Publication date
EP0911475A1 (en) 1999-04-28
DE59807107D1 (en) 2003-03-13
ATE232262T1 (en) 2003-02-15

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